Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 215 z 288

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Failure behaviour: The display the ÜSM-LED goes out. The surge pro- tection and the circuit (L') are disconnected. However, premature failure from surge voltage damage can push the return investment back into the future. The surge pro- tection disconnected. This guarantees the lifespan the LED luminaires, secur- ing the investment. Failure behaviour: The display the ÜSM-LED goes out. Series connection The surge protection switched series the LED luminaire. TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 215 Chapter The internal lightning protection system . L N PE L L' LED/ end device L L L' N PE end LED/ device L Phase feed line L` Phase from the protection device (switch-off case failure) PE Earth N Neutral conductor LED Luminaire L Phase feed line L` Phase from the protection device (switch-off case failure) PE Earth N Neutral conductor LED Luminaire Parallel connection (max. availability) Series connection (luminaire goes off) In the commercial section and the field street lighting, with long lifespans, enormous cost savings are possible, despite the increased procurement price. The LED luminaire remains lit without protection. suitable protection device upstream the electronic LED drivers safe barrier against surge voltages. The investments can protected through suitable protection measures.TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 Parallel connection The surge protection device located upstream of the LED luminaire. The fail- ure signalled the luminaire going out